Rename container_image to image for improved UX#1779

JiangJiaWei1103 wants to merge 1 commit intoflyteorg:masterflyteorg/flytesnacks:masterfrom

JiangJiaWei1103:rename-image-for-container-uxJiangJiaWei1103/flytesnacks:rename-image-for-container-uxCopy head branch name to clipboard